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1559 lines
48 KiB
1559 lines
48 KiB
/* |
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* NXP Wireless LAN device driver: association and ad-hoc start/join |
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* |
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* Copyright 2011-2020 NXP |
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* |
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* This software file (the "File") is distributed by NXP |
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* under the terms of the GNU General Public License Version 2, June 1991 |
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* (the "License"). You may use, redistribute and/or modify this File in |
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* accordance with the terms and conditions of the License, a copy of which |
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* is available by writing to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
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* |
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
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* this warranty disclaimer. |
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*/ |
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|
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#include "decl.h" |
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#include "ioctl.h" |
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#include "util.h" |
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#include "fw.h" |
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#include "main.h" |
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#include "wmm.h" |
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#include "11n.h" |
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#include "11ac.h" |
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|
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#define CAPINFO_MASK (~(BIT(15) | BIT(14) | BIT(12) | BIT(11) | BIT(9))) |
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|
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/* |
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* Append a generic IE as a pass through TLV to a TLV buffer. |
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* |
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* This function is called from the network join command preparation routine. |
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* |
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* If the IE buffer has been setup by the application, this routine appends |
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* the buffer as a pass through TLV type to the request. |
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*/ |
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static int |
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mwifiex_cmd_append_generic_ie(struct mwifiex_private *priv, u8 **buffer) |
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{ |
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int ret_len = 0; |
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struct mwifiex_ie_types_header ie_header; |
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|
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/* Null Checks */ |
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if (!buffer) |
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return 0; |
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if (!(*buffer)) |
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return 0; |
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|
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/* |
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* If there is a generic ie buffer setup, append it to the return |
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* parameter buffer pointer. |
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*/ |
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if (priv->gen_ie_buf_len) { |
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mwifiex_dbg(priv->adapter, INFO, |
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"info: %s: append generic ie len %d to %p\n", |
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__func__, priv->gen_ie_buf_len, *buffer); |
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|
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/* Wrap the generic IE buffer with a pass through TLV type */ |
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ie_header.type = cpu_to_le16(TLV_TYPE_PASSTHROUGH); |
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ie_header.len = cpu_to_le16(priv->gen_ie_buf_len); |
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memcpy(*buffer, &ie_header, sizeof(ie_header)); |
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|
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/* Increment the return size and the return buffer pointer |
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param */ |
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*buffer += sizeof(ie_header); |
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ret_len += sizeof(ie_header); |
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|
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/* Copy the generic IE buffer to the output buffer, advance |
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pointer */ |
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memcpy(*buffer, priv->gen_ie_buf, priv->gen_ie_buf_len); |
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|
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/* Increment the return size and the return buffer pointer |
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param */ |
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*buffer += priv->gen_ie_buf_len; |
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ret_len += priv->gen_ie_buf_len; |
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|
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/* Reset the generic IE buffer */ |
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priv->gen_ie_buf_len = 0; |
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} |
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|
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/* return the length appended to the buffer */ |
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return ret_len; |
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} |
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|
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/* |
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* Append TSF tracking info from the scan table for the target AP. |
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* |
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* This function is called from the network join command preparation routine. |
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* |
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* The TSF table TSF sent to the firmware contains two TSF values: |
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* - The TSF of the target AP from its previous beacon/probe response |
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* - The TSF timestamp of our local MAC at the time we observed the |
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* beacon/probe response. |
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* |
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* The firmware uses the timestamp values to set an initial TSF value |
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* in the MAC for the new association after a reassociation attempt. |
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*/ |
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static int |
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mwifiex_cmd_append_tsf_tlv(struct mwifiex_private *priv, u8 **buffer, |
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struct mwifiex_bssdescriptor *bss_desc) |
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{ |
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struct mwifiex_ie_types_tsf_timestamp tsf_tlv; |
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__le64 tsf_val; |
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|
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/* Null Checks */ |
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if (buffer == NULL) |
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return 0; |
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if (*buffer == NULL) |
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return 0; |
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|
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memset(&tsf_tlv, 0x00, sizeof(struct mwifiex_ie_types_tsf_timestamp)); |
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|
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tsf_tlv.header.type = cpu_to_le16(TLV_TYPE_TSFTIMESTAMP); |
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tsf_tlv.header.len = cpu_to_le16(2 * sizeof(tsf_val)); |
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|
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memcpy(*buffer, &tsf_tlv, sizeof(tsf_tlv.header)); |
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*buffer += sizeof(tsf_tlv.header); |
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|
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/* TSF at the time when beacon/probe_response was received */ |
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tsf_val = cpu_to_le64(bss_desc->fw_tsf); |
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memcpy(*buffer, &tsf_val, sizeof(tsf_val)); |
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*buffer += sizeof(tsf_val); |
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|
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tsf_val = cpu_to_le64(bss_desc->timestamp); |
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|
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mwifiex_dbg(priv->adapter, INFO, |
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"info: %s: TSF offset calc: %016llx - %016llx\n", |
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__func__, bss_desc->timestamp, bss_desc->fw_tsf); |
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|
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memcpy(*buffer, &tsf_val, sizeof(tsf_val)); |
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*buffer += sizeof(tsf_val); |
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|
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return sizeof(tsf_tlv.header) + (2 * sizeof(tsf_val)); |
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} |
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|
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/* |
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* This function finds out the common rates between rate1 and rate2. |
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* |
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* It will fill common rates in rate1 as output if found. |
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* |
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* NOTE: Setting the MSB of the basic rates needs to be taken |
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* care of, either before or after calling this function. |
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*/ |
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static int mwifiex_get_common_rates(struct mwifiex_private *priv, u8 *rate1, |
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u32 rate1_size, u8 *rate2, u32 rate2_size) |
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{ |
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int ret; |
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u8 *ptr = rate1, *tmp; |
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u32 i, j; |
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|
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tmp = kmemdup(rate1, rate1_size, GFP_KERNEL); |
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if (!tmp) { |
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mwifiex_dbg(priv->adapter, ERROR, "failed to alloc tmp buf\n"); |
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return -ENOMEM; |
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} |
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|
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memset(rate1, 0, rate1_size); |
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|
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for (i = 0; i < rate2_size && rate2[i]; i++) { |
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for (j = 0; j < rate1_size && tmp[j]; j++) { |
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/* Check common rate, excluding the bit for |
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basic rate */ |
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if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) { |
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*rate1++ = tmp[j]; |
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break; |
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} |
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} |
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} |
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|
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mwifiex_dbg(priv->adapter, INFO, "info: Tx data rate set to %#x\n", |
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priv->data_rate); |
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|
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if (!priv->is_data_rate_auto) { |
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while (*ptr) { |
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if ((*ptr & 0x7f) == priv->data_rate) { |
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ret = 0; |
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goto done; |
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} |
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ptr++; |
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} |
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mwifiex_dbg(priv->adapter, ERROR, |
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"previously set fixed data rate %#x\t" |
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"is not compatible with the network\n", |
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priv->data_rate); |
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|
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ret = -1; |
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goto done; |
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} |
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|
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ret = 0; |
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done: |
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kfree(tmp); |
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return ret; |
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} |
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|
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/* |
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* This function creates the intersection of the rates supported by a |
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* target BSS and our adapter settings for use in an assoc/join command. |
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*/ |
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static int |
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mwifiex_setup_rates_from_bssdesc(struct mwifiex_private *priv, |
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struct mwifiex_bssdescriptor *bss_desc, |
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u8 *out_rates, u32 *out_rates_size) |
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{ |
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u8 card_rates[MWIFIEX_SUPPORTED_RATES]; |
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u32 card_rates_size; |
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|
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/* Copy AP supported rates */ |
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memcpy(out_rates, bss_desc->supported_rates, MWIFIEX_SUPPORTED_RATES); |
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/* Get the STA supported rates */ |
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card_rates_size = mwifiex_get_active_data_rates(priv, card_rates); |
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/* Get the common rates between AP and STA supported rates */ |
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if (mwifiex_get_common_rates(priv, out_rates, MWIFIEX_SUPPORTED_RATES, |
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card_rates, card_rates_size)) { |
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*out_rates_size = 0; |
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mwifiex_dbg(priv->adapter, ERROR, |
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"%s: cannot get common rates\n", |
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__func__); |
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return -1; |
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} |
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|
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*out_rates_size = |
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min_t(size_t, strlen(out_rates), MWIFIEX_SUPPORTED_RATES); |
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|
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return 0; |
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} |
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|
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/* |
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* This function appends a WPS IE. It is called from the network join command |
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* preparation routine. |
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* |
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* If the IE buffer has been setup by the application, this routine appends |
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* the buffer as a WPS TLV type to the request. |
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*/ |
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static int |
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mwifiex_cmd_append_wps_ie(struct mwifiex_private *priv, u8 **buffer) |
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{ |
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int retLen = 0; |
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struct mwifiex_ie_types_header ie_header; |
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|
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if (!buffer || !*buffer) |
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return 0; |
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|
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/* |
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* If there is a wps ie buffer setup, append it to the return |
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* parameter buffer pointer. |
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*/ |
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if (priv->wps_ie_len) { |
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mwifiex_dbg(priv->adapter, CMD, |
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"cmd: append wps ie %d to %p\n", |
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priv->wps_ie_len, *buffer); |
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|
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/* Wrap the generic IE buffer with a pass through TLV type */ |
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ie_header.type = cpu_to_le16(TLV_TYPE_PASSTHROUGH); |
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ie_header.len = cpu_to_le16(priv->wps_ie_len); |
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memcpy(*buffer, &ie_header, sizeof(ie_header)); |
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*buffer += sizeof(ie_header); |
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retLen += sizeof(ie_header); |
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|
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memcpy(*buffer, priv->wps_ie, priv->wps_ie_len); |
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*buffer += priv->wps_ie_len; |
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retLen += priv->wps_ie_len; |
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|
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} |
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|
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kfree(priv->wps_ie); |
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priv->wps_ie_len = 0; |
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return retLen; |
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} |
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|
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/* |
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* This function appends a WAPI IE. |
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* |
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* This function is called from the network join command preparation routine. |
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* |
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* If the IE buffer has been setup by the application, this routine appends |
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* the buffer as a WAPI TLV type to the request. |
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*/ |
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static int |
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mwifiex_cmd_append_wapi_ie(struct mwifiex_private *priv, u8 **buffer) |
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{ |
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int retLen = 0; |
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struct mwifiex_ie_types_header ie_header; |
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|
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/* Null Checks */ |
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if (buffer == NULL) |
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return 0; |
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if (*buffer == NULL) |
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return 0; |
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|
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/* |
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* If there is a wapi ie buffer setup, append it to the return |
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* parameter buffer pointer. |
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*/ |
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if (priv->wapi_ie_len) { |
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mwifiex_dbg(priv->adapter, CMD, |
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"cmd: append wapi ie %d to %p\n", |
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priv->wapi_ie_len, *buffer); |
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|
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/* Wrap the generic IE buffer with a pass through TLV type */ |
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ie_header.type = cpu_to_le16(TLV_TYPE_WAPI_IE); |
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ie_header.len = cpu_to_le16(priv->wapi_ie_len); |
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memcpy(*buffer, &ie_header, sizeof(ie_header)); |
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|
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/* Increment the return size and the return buffer pointer |
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param */ |
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*buffer += sizeof(ie_header); |
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retLen += sizeof(ie_header); |
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|
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/* Copy the wapi IE buffer to the output buffer, advance |
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pointer */ |
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memcpy(*buffer, priv->wapi_ie, priv->wapi_ie_len); |
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|
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/* Increment the return size and the return buffer pointer |
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param */ |
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*buffer += priv->wapi_ie_len; |
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retLen += priv->wapi_ie_len; |
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|
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} |
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/* return the length appended to the buffer */ |
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return retLen; |
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} |
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|
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/* |
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* This function appends rsn ie tlv for wpa/wpa2 security modes. |
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* It is called from the network join command preparation routine. |
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*/ |
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static int mwifiex_append_rsn_ie_wpa_wpa2(struct mwifiex_private *priv, |
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u8 **buffer) |
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{ |
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struct mwifiex_ie_types_rsn_param_set *rsn_ie_tlv; |
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int rsn_ie_len; |
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|
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if (!buffer || !(*buffer)) |
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return 0; |
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|
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rsn_ie_tlv = (struct mwifiex_ie_types_rsn_param_set *) (*buffer); |
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rsn_ie_tlv->header.type = cpu_to_le16((u16) priv->wpa_ie[0]); |
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rsn_ie_tlv->header.type = cpu_to_le16( |
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le16_to_cpu(rsn_ie_tlv->header.type) & 0x00FF); |
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rsn_ie_tlv->header.len = cpu_to_le16((u16) priv->wpa_ie[1]); |
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rsn_ie_tlv->header.len = cpu_to_le16(le16_to_cpu(rsn_ie_tlv->header.len) |
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& 0x00FF); |
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if (le16_to_cpu(rsn_ie_tlv->header.len) <= (sizeof(priv->wpa_ie) - 2)) |
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memcpy(rsn_ie_tlv->rsn_ie, &priv->wpa_ie[2], |
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le16_to_cpu(rsn_ie_tlv->header.len)); |
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else |
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return -1; |
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|
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rsn_ie_len = sizeof(rsn_ie_tlv->header) + |
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le16_to_cpu(rsn_ie_tlv->header.len); |
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*buffer += rsn_ie_len; |
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|
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return rsn_ie_len; |
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} |
|
|
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/* |
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* This function prepares command for association. |
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* |
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* This sets the following parameters - |
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* - Peer MAC address |
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* - Listen interval |
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* - Beacon interval |
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* - Capability information |
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* |
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* ...and the following TLVs, as required - |
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* - SSID TLV |
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* - PHY TLV |
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* - SS TLV |
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* - Rates TLV |
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* - Authentication TLV |
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* - Channel TLV |
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* - WPA/WPA2 IE |
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* - 11n TLV |
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* - Vendor specific TLV |
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* - WMM TLV |
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* - WAPI IE |
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* - Generic IE |
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* - TSF TLV |
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* |
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* Preparation also includes - |
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* - Setting command ID and proper size |
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* - Ensuring correct endian-ness |
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*/ |
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int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv, |
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struct host_cmd_ds_command *cmd, |
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struct mwifiex_bssdescriptor *bss_desc) |
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{ |
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struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate; |
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struct mwifiex_ie_types_ssid_param_set *ssid_tlv; |
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struct mwifiex_ie_types_phy_param_set *phy_tlv; |
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struct mwifiex_ie_types_ss_param_set *ss_tlv; |
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struct mwifiex_ie_types_rates_param_set *rates_tlv; |
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struct mwifiex_ie_types_auth_type *auth_tlv; |
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struct mwifiex_ie_types_chan_list_param_set *chan_tlv; |
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u8 rates[MWIFIEX_SUPPORTED_RATES]; |
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u32 rates_size; |
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u16 tmp_cap; |
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u8 *pos; |
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int rsn_ie_len = 0; |
|
|
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pos = (u8 *) assoc; |
|
|
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cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE); |
|
|
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/* Save so we know which BSS Desc to use in the response handler */ |
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priv->attempted_bss_desc = bss_desc; |
|
|
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memcpy(assoc->peer_sta_addr, |
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bss_desc->mac_address, sizeof(assoc->peer_sta_addr)); |
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pos += sizeof(assoc->peer_sta_addr); |
|
|
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/* Set the listen interval */ |
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assoc->listen_interval = cpu_to_le16(priv->listen_interval); |
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/* Set the beacon period */ |
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assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period); |
|
|
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pos += sizeof(assoc->cap_info_bitmap); |
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pos += sizeof(assoc->listen_interval); |
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pos += sizeof(assoc->beacon_period); |
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pos += sizeof(assoc->dtim_period); |
|
|
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ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos; |
|
ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID); |
|
ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len); |
|
memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid, |
|
le16_to_cpu(ssid_tlv->header.len)); |
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pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len); |
|
|
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phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos; |
|
phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS); |
|
phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set)); |
|
memcpy(&phy_tlv->fh_ds.ds_param_set, |
|
&bss_desc->phy_param_set.ds_param_set.current_chan, |
|
sizeof(phy_tlv->fh_ds.ds_param_set)); |
|
pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len); |
|
|
|
ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos; |
|
ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS); |
|
ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set)); |
|
pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len); |
|
|
|
/* Get the common rates supported between the driver and the BSS Desc */ |
|
if (mwifiex_setup_rates_from_bssdesc |
|
(priv, bss_desc, rates, &rates_size)) |
|
return -1; |
|
|
|
/* Save the data rates into Current BSS state structure */ |
|
priv->curr_bss_params.num_of_rates = rates_size; |
|
memcpy(&priv->curr_bss_params.data_rates, rates, rates_size); |
|
|
|
/* Setup the Rates TLV in the association command */ |
|
rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos; |
|
rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES); |
|
rates_tlv->header.len = cpu_to_le16((u16) rates_size); |
|
memcpy(rates_tlv->rates, rates, rates_size); |
|
pos += sizeof(rates_tlv->header) + rates_size; |
|
mwifiex_dbg(priv->adapter, INFO, "info: ASSOC_CMD: rates size = %d\n", |
|
rates_size); |
|
|
|
/* Add the Authentication type to be used for Auth frames */ |
|
auth_tlv = (struct mwifiex_ie_types_auth_type *) pos; |
|
auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE); |
|
auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type)); |
|
if (priv->sec_info.wep_enabled) |
|
auth_tlv->auth_type = cpu_to_le16( |
|
(u16) priv->sec_info.authentication_mode); |
|
else |
|
auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM); |
|
|
|
pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len); |
|
|
|
if (IS_SUPPORT_MULTI_BANDS(priv->adapter) && |
|
!(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) && |
|
(!bss_desc->disable_11n) && |
|
(priv->adapter->config_bands & BAND_GN || |
|
priv->adapter->config_bands & BAND_AN) && |
|
(bss_desc->bcn_ht_cap) |
|
) |
|
) { |
|
/* Append a channel TLV for the channel the attempted AP was |
|
found on */ |
|
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos; |
|
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); |
|
chan_tlv->header.len = |
|
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set)); |
|
|
|
memset(chan_tlv->chan_scan_param, 0x00, |
|
sizeof(struct mwifiex_chan_scan_param_set)); |
|
chan_tlv->chan_scan_param[0].chan_number = |
|
(bss_desc->phy_param_set.ds_param_set.current_chan); |
|
mwifiex_dbg(priv->adapter, INFO, "info: Assoc: TLV Chan = %d\n", |
|
chan_tlv->chan_scan_param[0].chan_number); |
|
|
|
chan_tlv->chan_scan_param[0].radio_type = |
|
mwifiex_band_to_radio_type((u8) bss_desc->bss_band); |
|
|
|
mwifiex_dbg(priv->adapter, INFO, "info: Assoc: TLV Band = %d\n", |
|
chan_tlv->chan_scan_param[0].radio_type); |
|
pos += sizeof(chan_tlv->header) + |
|
sizeof(struct mwifiex_chan_scan_param_set); |
|
} |
|
|
|
if (!priv->wps.session_enable) { |
|
if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) |
|
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos); |
|
|
|
if (rsn_ie_len == -1) |
|
return -1; |
|
} |
|
|
|
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) && |
|
(!bss_desc->disable_11n) && |
|
(priv->adapter->config_bands & BAND_GN || |
|
priv->adapter->config_bands & BAND_AN)) |
|
mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos); |
|
|
|
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && |
|
!bss_desc->disable_11n && !bss_desc->disable_11ac && |
|
priv->adapter->config_bands & BAND_AAC) |
|
mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos); |
|
|
|
/* Append vendor specific IE TLV */ |
|
mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos); |
|
|
|
mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie, |
|
bss_desc->bcn_ht_cap); |
|
if (priv->sec_info.wapi_enabled && priv->wapi_ie_len) |
|
mwifiex_cmd_append_wapi_ie(priv, &pos); |
|
|
|
if (priv->wps.session_enable && priv->wps_ie_len) |
|
mwifiex_cmd_append_wps_ie(priv, &pos); |
|
|
|
mwifiex_cmd_append_generic_ie(priv, &pos); |
|
|
|
mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc); |
|
|
|
mwifiex_11h_process_join(priv, &pos, bss_desc); |
|
|
|
cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN); |
|
|
|
/* Set the Capability info at last */ |
|
tmp_cap = bss_desc->cap_info_bitmap; |
|
|
|
if (priv->adapter->config_bands == BAND_B) |
|
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME; |
|
|
|
tmp_cap &= CAPINFO_MASK; |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n", |
|
tmp_cap, CAPINFO_MASK); |
|
assoc->cap_info_bitmap = cpu_to_le16(tmp_cap); |
|
|
|
return 0; |
|
} |
|
|
|
static const char *assoc_failure_reason_to_str(u16 cap_info) |
|
{ |
|
switch (cap_info) { |
|
case CONNECT_ERR_AUTH_ERR_STA_FAILURE: |
|
return "CONNECT_ERR_AUTH_ERR_STA_FAILURE"; |
|
case CONNECT_ERR_AUTH_MSG_UNHANDLED: |
|
return "CONNECT_ERR_AUTH_MSG_UNHANDLED"; |
|
case CONNECT_ERR_ASSOC_ERR_TIMEOUT: |
|
return "CONNECT_ERR_ASSOC_ERR_TIMEOUT"; |
|
case CONNECT_ERR_ASSOC_ERR_AUTH_REFUSED: |
|
return "CONNECT_ERR_ASSOC_ERR_AUTH_REFUSED"; |
|
case CONNECT_ERR_STA_FAILURE: |
|
return "CONNECT_ERR_STA_FAILURE"; |
|
} |
|
|
|
return "Unknown connect failure"; |
|
} |
|
/* |
|
* Association firmware command response handler |
|
* |
|
* The response buffer for the association command has the following |
|
* memory layout. |
|
* |
|
* For cases where an association response was not received (indicated |
|
* by the CapInfo and AId field): |
|
* |
|
* .------------------------------------------------------------. |
|
* | Header(4 * sizeof(t_u16)): Standard command response hdr | |
|
* .------------------------------------------------------------. |
|
* | cap_info/Error Return(t_u16): | |
|
* | 0xFFFF(-1): Internal error | |
|
* | 0xFFFE(-2): Authentication unhandled message | |
|
* | 0xFFFD(-3): Authentication refused | |
|
* | 0xFFFC(-4): Timeout waiting for AP response | |
|
* .------------------------------------------------------------. |
|
* | status_code(t_u16): | |
|
* | If cap_info is -1: | |
|
* | An internal firmware failure prevented the | |
|
* | command from being processed. The status_code | |
|
* | will be set to 1. | |
|
* | | |
|
* | If cap_info is -2: | |
|
* | An authentication frame was received but was | |
|
* | not handled by the firmware. IEEE Status | |
|
* | code for the failure is returned. | |
|
* | | |
|
* | If cap_info is -3: | |
|
* | An authentication frame was received and the | |
|
* | status_code is the IEEE Status reported in the | |
|
* | response. | |
|
* | | |
|
* | If cap_info is -4: | |
|
* | (1) Association response timeout | |
|
* | (2) Authentication response timeout | |
|
* .------------------------------------------------------------. |
|
* | a_id(t_u16): 0xFFFF | |
|
* .------------------------------------------------------------. |
|
* |
|
* |
|
* For cases where an association response was received, the IEEE |
|
* standard association response frame is returned: |
|
* |
|
* .------------------------------------------------------------. |
|
* | Header(4 * sizeof(t_u16)): Standard command response hdr | |
|
* .------------------------------------------------------------. |
|
* | cap_info(t_u16): IEEE Capability | |
|
* .------------------------------------------------------------. |
|
* | status_code(t_u16): IEEE Status Code | |
|
* .------------------------------------------------------------. |
|
* | a_id(t_u16): IEEE Association ID | |
|
* .------------------------------------------------------------. |
|
* | IEEE IEs(variable): Any received IEs comprising the | |
|
* | remaining portion of a received | |
|
* | association response frame. | |
|
* .------------------------------------------------------------. |
|
* |
|
* For simplistic handling, the status_code field can be used to determine |
|
* an association success (0) or failure (non-zero). |
|
*/ |
|
int mwifiex_ret_802_11_associate(struct mwifiex_private *priv, |
|
struct host_cmd_ds_command *resp) |
|
{ |
|
struct mwifiex_adapter *adapter = priv->adapter; |
|
int ret = 0; |
|
struct ieee_types_assoc_rsp *assoc_rsp; |
|
struct mwifiex_bssdescriptor *bss_desc; |
|
bool enable_data = true; |
|
u16 cap_info, status_code, aid; |
|
const u8 *ie_ptr; |
|
struct ieee80211_ht_operation *assoc_resp_ht_oper; |
|
|
|
if (!priv->attempted_bss_desc) { |
|
mwifiex_dbg(priv->adapter, ERROR, |
|
"ASSOC_RESP: failed, association terminated by host\n"); |
|
goto done; |
|
} |
|
|
|
assoc_rsp = (struct ieee_types_assoc_rsp *) &resp->params; |
|
|
|
cap_info = le16_to_cpu(assoc_rsp->cap_info_bitmap); |
|
status_code = le16_to_cpu(assoc_rsp->status_code); |
|
aid = le16_to_cpu(assoc_rsp->a_id); |
|
|
|
if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) |
|
dev_err(priv->adapter->dev, |
|
"invalid AID value 0x%x; bits 15:14 not set\n", |
|
aid); |
|
|
|
aid &= ~(BIT(15) | BIT(14)); |
|
|
|
priv->assoc_rsp_size = min(le16_to_cpu(resp->size) - S_DS_GEN, |
|
sizeof(priv->assoc_rsp_buf)); |
|
|
|
assoc_rsp->a_id = cpu_to_le16(aid); |
|
memcpy(priv->assoc_rsp_buf, &resp->params, priv->assoc_rsp_size); |
|
|
|
if (status_code) { |
|
priv->adapter->dbg.num_cmd_assoc_failure++; |
|
mwifiex_dbg(priv->adapter, ERROR, |
|
"ASSOC_RESP: failed,\t" |
|
"status code=%d err=%#x a_id=%#x\n", |
|
status_code, cap_info, |
|
le16_to_cpu(assoc_rsp->a_id)); |
|
|
|
mwifiex_dbg(priv->adapter, ERROR, "assoc failure: reason %s\n", |
|
assoc_failure_reason_to_str(cap_info)); |
|
if (cap_info == CONNECT_ERR_ASSOC_ERR_TIMEOUT) { |
|
if (status_code == MWIFIEX_ASSOC_CMD_FAILURE_AUTH) { |
|
ret = WLAN_STATUS_AUTH_TIMEOUT; |
|
mwifiex_dbg(priv->adapter, ERROR, |
|
"ASSOC_RESP: AUTH timeout\n"); |
|
} else { |
|
ret = WLAN_STATUS_UNSPECIFIED_FAILURE; |
|
mwifiex_dbg(priv->adapter, ERROR, |
|
"ASSOC_RESP: UNSPECIFIED failure\n"); |
|
} |
|
} else { |
|
ret = status_code; |
|
} |
|
|
|
goto done; |
|
} |
|
|
|
/* Send a Media Connected event, according to the Spec */ |
|
priv->media_connected = true; |
|
|
|
priv->adapter->ps_state = PS_STATE_AWAKE; |
|
priv->adapter->pps_uapsd_mode = false; |
|
priv->adapter->tx_lock_flag = false; |
|
|
|
/* Set the attempted BSSID Index to current */ |
|
bss_desc = priv->attempted_bss_desc; |
|
|
|
mwifiex_dbg(priv->adapter, INFO, "info: ASSOC_RESP: %s\n", |
|
bss_desc->ssid.ssid); |
|
|
|
/* Make a copy of current BSSID descriptor */ |
|
memcpy(&priv->curr_bss_params.bss_descriptor, |
|
bss_desc, sizeof(struct mwifiex_bssdescriptor)); |
|
|
|
/* Update curr_bss_params */ |
|
priv->curr_bss_params.bss_descriptor.channel |
|
= bss_desc->phy_param_set.ds_param_set.current_chan; |
|
|
|
priv->curr_bss_params.band = (u8) bss_desc->bss_band; |
|
|
|
if (bss_desc->wmm_ie.vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC) |
|
priv->curr_bss_params.wmm_enabled = true; |
|
else |
|
priv->curr_bss_params.wmm_enabled = false; |
|
|
|
if ((priv->wmm_required || bss_desc->bcn_ht_cap) && |
|
priv->curr_bss_params.wmm_enabled) |
|
priv->wmm_enabled = true; |
|
else |
|
priv->wmm_enabled = false; |
|
|
|
priv->curr_bss_params.wmm_uapsd_enabled = false; |
|
|
|
if (priv->wmm_enabled) |
|
priv->curr_bss_params.wmm_uapsd_enabled |
|
= ((bss_desc->wmm_ie.qos_info_bitmap & |
|
IEEE80211_WMM_IE_AP_QOSINFO_UAPSD) ? 1 : 0); |
|
|
|
/* Store the bandwidth information from assoc response */ |
|
ie_ptr = cfg80211_find_ie(WLAN_EID_HT_OPERATION, assoc_rsp->ie_buffer, |
|
priv->assoc_rsp_size |
|
- sizeof(struct ieee_types_assoc_rsp)); |
|
if (ie_ptr) { |
|
assoc_resp_ht_oper = (struct ieee80211_ht_operation *)(ie_ptr |
|
+ sizeof(struct ieee_types_header)); |
|
priv->assoc_resp_ht_param = assoc_resp_ht_oper->ht_param; |
|
priv->ht_param_present = true; |
|
} else { |
|
priv->ht_param_present = false; |
|
} |
|
|
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: ASSOC_RESP: curr_pkt_filter is %#x\n", |
|
priv->curr_pkt_filter); |
|
if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) |
|
priv->wpa_is_gtk_set = false; |
|
|
|
if (priv->wmm_enabled) { |
|
/* Don't re-enable carrier until we get the WMM_GET_STATUS |
|
event */ |
|
enable_data = false; |
|
} else { |
|
/* Since WMM is not enabled, setup the queues with the |
|
defaults */ |
|
mwifiex_wmm_setup_queue_priorities(priv, NULL); |
|
mwifiex_wmm_setup_ac_downgrade(priv); |
|
} |
|
|
|
if (enable_data) |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: post association, re-enabling data flow\n"); |
|
|
|
/* Reset SNR/NF/RSSI values */ |
|
priv->data_rssi_last = 0; |
|
priv->data_nf_last = 0; |
|
priv->data_rssi_avg = 0; |
|
priv->data_nf_avg = 0; |
|
priv->bcn_rssi_last = 0; |
|
priv->bcn_nf_last = 0; |
|
priv->bcn_rssi_avg = 0; |
|
priv->bcn_nf_avg = 0; |
|
priv->rxpd_rate = 0; |
|
priv->rxpd_htinfo = 0; |
|
|
|
mwifiex_save_curr_bcn(priv); |
|
|
|
priv->adapter->dbg.num_cmd_assoc_success++; |
|
|
|
mwifiex_dbg(priv->adapter, INFO, "info: ASSOC_RESP: associated\n"); |
|
|
|
/* Add the ra_list here for infra mode as there will be only 1 ra |
|
always */ |
|
mwifiex_ralist_add(priv, |
|
priv->curr_bss_params.bss_descriptor.mac_address); |
|
|
|
if (!netif_carrier_ok(priv->netdev)) |
|
netif_carrier_on(priv->netdev); |
|
mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); |
|
|
|
if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) |
|
priv->scan_block = true; |
|
else |
|
priv->port_open = true; |
|
|
|
done: |
|
/* Need to indicate IOCTL complete */ |
|
if (adapter->curr_cmd->wait_q_enabled) { |
|
if (ret) |
|
adapter->cmd_wait_q.status = -1; |
|
else |
|
adapter->cmd_wait_q.status = 0; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function prepares command for ad-hoc start. |
|
* |
|
* Driver will fill up SSID, BSS mode, IBSS parameters, physical |
|
* parameters, probe delay, and capability information. Firmware |
|
* will fill up beacon period, basic rates and operational rates. |
|
* |
|
* In addition, the following TLVs are added - |
|
* - Channel TLV |
|
* - Vendor specific IE |
|
* - WPA/WPA2 IE |
|
* - HT Capabilities IE |
|
* - HT Information IE |
|
* |
|
* Preparation also includes - |
|
* - Setting command ID and proper size |
|
* - Ensuring correct endian-ness |
|
*/ |
|
int |
|
mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv, |
|
struct host_cmd_ds_command *cmd, |
|
struct cfg80211_ssid *req_ssid) |
|
{ |
|
int rsn_ie_len = 0; |
|
struct mwifiex_adapter *adapter = priv->adapter; |
|
struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start = |
|
&cmd->params.adhoc_start; |
|
struct mwifiex_bssdescriptor *bss_desc; |
|
u32 cmd_append_size = 0; |
|
u32 i; |
|
u16 tmp_cap; |
|
struct mwifiex_ie_types_chan_list_param_set *chan_tlv; |
|
u8 radio_type; |
|
|
|
struct mwifiex_ie_types_htcap *ht_cap; |
|
struct mwifiex_ie_types_htinfo *ht_info; |
|
u8 *pos = (u8 *) adhoc_start + |
|
sizeof(struct host_cmd_ds_802_11_ad_hoc_start); |
|
|
|
if (!adapter) |
|
return -1; |
|
|
|
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START); |
|
|
|
bss_desc = &priv->curr_bss_params.bss_descriptor; |
|
priv->attempted_bss_desc = bss_desc; |
|
|
|
/* |
|
* Fill in the parameters for 2 data structures: |
|
* 1. struct host_cmd_ds_802_11_ad_hoc_start command |
|
* 2. bss_desc |
|
* Driver will fill up SSID, bss_mode,IBSS param, Physical Param, |
|
* probe delay, and Cap info. |
|
* Firmware will fill up beacon period, Basic rates |
|
* and operational rates. |
|
*/ |
|
|
|
memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN); |
|
|
|
if (req_ssid->ssid_len > IEEE80211_MAX_SSID_LEN) |
|
req_ssid->ssid_len = IEEE80211_MAX_SSID_LEN; |
|
memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len); |
|
|
|
mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: SSID = %s\n", |
|
adhoc_start->ssid); |
|
|
|
memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN); |
|
memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len); |
|
|
|
bss_desc->ssid.ssid_len = req_ssid->ssid_len; |
|
|
|
/* Set the BSS mode */ |
|
adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS; |
|
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC; |
|
adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period); |
|
bss_desc->beacon_period = priv->beacon_period; |
|
|
|
/* Set Physical param set */ |
|
/* Parameter IE Id */ |
|
#define DS_PARA_IE_ID 3 |
|
/* Parameter IE length */ |
|
#define DS_PARA_IE_LEN 1 |
|
|
|
adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID; |
|
adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN; |
|
|
|
if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band, |
|
(u16) priv->adhoc_channel, 0)) { |
|
struct mwifiex_chan_freq_power *cfp; |
|
cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band, |
|
FIRST_VALID_CHANNEL, 0); |
|
if (cfp) |
|
priv->adhoc_channel = (u8) cfp->channel; |
|
} |
|
|
|
if (!priv->adhoc_channel) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"ADHOC_S_CMD: adhoc_channel cannot be 0\n"); |
|
return -1; |
|
} |
|
|
|
mwifiex_dbg(adapter, INFO, |
|
"info: ADHOC_S_CMD: creating ADHOC on channel %d\n", |
|
priv->adhoc_channel); |
|
|
|
priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel; |
|
priv->curr_bss_params.band = adapter->adhoc_start_band; |
|
|
|
bss_desc->channel = priv->adhoc_channel; |
|
adhoc_start->phy_param_set.ds_param_set.current_chan = |
|
priv->adhoc_channel; |
|
|
|
memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set, |
|
sizeof(union ieee_types_phy_param_set)); |
|
|
|
/* Set IBSS param set */ |
|
/* IBSS parameter IE Id */ |
|
#define IBSS_PARA_IE_ID 6 |
|
/* IBSS parameter IE length */ |
|
#define IBSS_PARA_IE_LEN 2 |
|
|
|
adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID; |
|
adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN; |
|
adhoc_start->ss_param_set.ibss_param_set.atim_window |
|
= cpu_to_le16(priv->atim_window); |
|
memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set, |
|
sizeof(union ieee_types_ss_param_set)); |
|
|
|
/* Set Capability info */ |
|
bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS; |
|
tmp_cap = WLAN_CAPABILITY_IBSS; |
|
|
|
/* Set up privacy in bss_desc */ |
|
if (priv->sec_info.encryption_mode) { |
|
/* Ad-Hoc capability privacy on */ |
|
mwifiex_dbg(adapter, INFO, |
|
"info: ADHOC_S_CMD: wep_status set privacy to WEP\n"); |
|
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; |
|
tmp_cap |= WLAN_CAPABILITY_PRIVACY; |
|
} else { |
|
mwifiex_dbg(adapter, INFO, |
|
"info: ADHOC_S_CMD: wep_status NOT set,\t" |
|
"setting privacy to ACCEPT ALL\n"); |
|
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL; |
|
} |
|
|
|
memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate)); |
|
mwifiex_get_active_data_rates(priv, adhoc_start->data_rate); |
|
if ((adapter->adhoc_start_band & BAND_G) && |
|
(priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) { |
|
if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, |
|
HostCmd_ACT_GEN_SET, 0, |
|
&priv->curr_pkt_filter, false)) { |
|
mwifiex_dbg(adapter, ERROR, |
|
"ADHOC_S_CMD: G Protection config failed\n"); |
|
return -1; |
|
} |
|
} |
|
/* Find the last non zero */ |
|
for (i = 0; i < sizeof(adhoc_start->data_rate); i++) |
|
if (!adhoc_start->data_rate[i]) |
|
break; |
|
|
|
priv->curr_bss_params.num_of_rates = i; |
|
|
|
/* Copy the ad-hoc creating rates into Current BSS rate structure */ |
|
memcpy(&priv->curr_bss_params.data_rates, |
|
&adhoc_start->data_rate, priv->curr_bss_params.num_of_rates); |
|
|
|
mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: rates=%4ph\n", |
|
adhoc_start->data_rate); |
|
|
|
mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n"); |
|
|
|
if (IS_SUPPORT_MULTI_BANDS(adapter)) { |
|
/* Append a channel TLV */ |
|
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos; |
|
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); |
|
chan_tlv->header.len = |
|
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set)); |
|
|
|
memset(chan_tlv->chan_scan_param, 0x00, |
|
sizeof(struct mwifiex_chan_scan_param_set)); |
|
chan_tlv->chan_scan_param[0].chan_number = |
|
(u8) priv->curr_bss_params.bss_descriptor.channel; |
|
|
|
mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: TLV Chan = %d\n", |
|
chan_tlv->chan_scan_param[0].chan_number); |
|
|
|
chan_tlv->chan_scan_param[0].radio_type |
|
= mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
|
if (adapter->adhoc_start_band & BAND_GN || |
|
adapter->adhoc_start_band & BAND_AN) { |
|
if (adapter->sec_chan_offset == |
|
IEEE80211_HT_PARAM_CHA_SEC_ABOVE) |
|
chan_tlv->chan_scan_param[0].radio_type |= |
|
(IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4); |
|
else if (adapter->sec_chan_offset == |
|
IEEE80211_HT_PARAM_CHA_SEC_BELOW) |
|
chan_tlv->chan_scan_param[0].radio_type |= |
|
(IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4); |
|
} |
|
mwifiex_dbg(adapter, INFO, "info: ADHOC_S_CMD: TLV Band = %d\n", |
|
chan_tlv->chan_scan_param[0].radio_type); |
|
pos += sizeof(chan_tlv->header) + |
|
sizeof(struct mwifiex_chan_scan_param_set); |
|
cmd_append_size += |
|
sizeof(chan_tlv->header) + |
|
sizeof(struct mwifiex_chan_scan_param_set); |
|
} |
|
|
|
/* Append vendor specific IE TLV */ |
|
cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv, |
|
MWIFIEX_VSIE_MASK_ADHOC, &pos); |
|
|
|
if (priv->sec_info.wpa_enabled) { |
|
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos); |
|
if (rsn_ie_len == -1) |
|
return -1; |
|
cmd_append_size += rsn_ie_len; |
|
} |
|
|
|
if (adapter->adhoc_11n_enabled) { |
|
/* Fill HT CAPABILITY */ |
|
ht_cap = (struct mwifiex_ie_types_htcap *) pos; |
|
memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap)); |
|
ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); |
|
ht_cap->header.len = |
|
cpu_to_le16(sizeof(struct ieee80211_ht_cap)); |
|
radio_type = mwifiex_band_to_radio_type( |
|
priv->adapter->config_bands); |
|
mwifiex_fill_cap_info(priv, radio_type, &ht_cap->ht_cap); |
|
|
|
if (adapter->sec_chan_offset == |
|
IEEE80211_HT_PARAM_CHA_SEC_NONE) { |
|
u16 tmp_ht_cap; |
|
|
|
tmp_ht_cap = le16_to_cpu(ht_cap->ht_cap.cap_info); |
|
tmp_ht_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
|
tmp_ht_cap &= ~IEEE80211_HT_CAP_SGI_40; |
|
ht_cap->ht_cap.cap_info = cpu_to_le16(tmp_ht_cap); |
|
} |
|
|
|
pos += sizeof(struct mwifiex_ie_types_htcap); |
|
cmd_append_size += sizeof(struct mwifiex_ie_types_htcap); |
|
|
|
/* Fill HT INFORMATION */ |
|
ht_info = (struct mwifiex_ie_types_htinfo *) pos; |
|
memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo)); |
|
ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION); |
|
ht_info->header.len = |
|
cpu_to_le16(sizeof(struct ieee80211_ht_operation)); |
|
|
|
ht_info->ht_oper.primary_chan = |
|
(u8) priv->curr_bss_params.bss_descriptor.channel; |
|
if (adapter->sec_chan_offset) { |
|
ht_info->ht_oper.ht_param = adapter->sec_chan_offset; |
|
ht_info->ht_oper.ht_param |= |
|
IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; |
|
} |
|
ht_info->ht_oper.operation_mode = |
|
cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); |
|
ht_info->ht_oper.basic_set[0] = 0xff; |
|
pos += sizeof(struct mwifiex_ie_types_htinfo); |
|
cmd_append_size += |
|
sizeof(struct mwifiex_ie_types_htinfo); |
|
} |
|
|
|
cmd->size = |
|
cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start) |
|
+ S_DS_GEN + cmd_append_size)); |
|
|
|
if (adapter->adhoc_start_band == BAND_B) |
|
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME; |
|
else |
|
tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME; |
|
|
|
adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This function prepares command for ad-hoc join. |
|
* |
|
* Most of the parameters are set up by copying from the target BSS descriptor |
|
* from the scan response. |
|
* |
|
* In addition, the following TLVs are added - |
|
* - Channel TLV |
|
* - Vendor specific IE |
|
* - WPA/WPA2 IE |
|
* - 11n IE |
|
* |
|
* Preparation also includes - |
|
* - Setting command ID and proper size |
|
* - Ensuring correct endian-ness |
|
*/ |
|
int |
|
mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv, |
|
struct host_cmd_ds_command *cmd, |
|
struct mwifiex_bssdescriptor *bss_desc) |
|
{ |
|
int rsn_ie_len = 0; |
|
struct host_cmd_ds_802_11_ad_hoc_join *adhoc_join = |
|
&cmd->params.adhoc_join; |
|
struct mwifiex_ie_types_chan_list_param_set *chan_tlv; |
|
u32 cmd_append_size = 0; |
|
u16 tmp_cap; |
|
u32 i, rates_size = 0; |
|
u16 curr_pkt_filter; |
|
u8 *pos = |
|
(u8 *) adhoc_join + |
|
sizeof(struct host_cmd_ds_802_11_ad_hoc_join); |
|
|
|
/* Use G protection */ |
|
#define USE_G_PROTECTION 0x02 |
|
if (bss_desc->erp_flags & USE_G_PROTECTION) { |
|
curr_pkt_filter = |
|
priv-> |
|
curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON; |
|
|
|
if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL, |
|
HostCmd_ACT_GEN_SET, 0, |
|
&curr_pkt_filter, false)) { |
|
mwifiex_dbg(priv->adapter, ERROR, |
|
"ADHOC_J_CMD: G Protection config failed\n"); |
|
return -1; |
|
} |
|
} |
|
|
|
priv->attempted_bss_desc = bss_desc; |
|
|
|
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN); |
|
|
|
adhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS; |
|
|
|
adhoc_join->bss_descriptor.beacon_period |
|
= cpu_to_le16(bss_desc->beacon_period); |
|
|
|
memcpy(&adhoc_join->bss_descriptor.bssid, |
|
&bss_desc->mac_address, ETH_ALEN); |
|
|
|
memcpy(&adhoc_join->bss_descriptor.ssid, |
|
&bss_desc->ssid.ssid, bss_desc->ssid.ssid_len); |
|
|
|
memcpy(&adhoc_join->bss_descriptor.phy_param_set, |
|
&bss_desc->phy_param_set, |
|
sizeof(union ieee_types_phy_param_set)); |
|
|
|
memcpy(&adhoc_join->bss_descriptor.ss_param_set, |
|
&bss_desc->ss_param_set, sizeof(union ieee_types_ss_param_set)); |
|
|
|
tmp_cap = bss_desc->cap_info_bitmap; |
|
|
|
tmp_cap &= CAPINFO_MASK; |
|
|
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n", |
|
tmp_cap, CAPINFO_MASK); |
|
|
|
/* Information on BSSID descriptor passed to FW */ |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n", |
|
adhoc_join->bss_descriptor.bssid, |
|
adhoc_join->bss_descriptor.ssid); |
|
|
|
for (i = 0; i < MWIFIEX_SUPPORTED_RATES && |
|
bss_desc->supported_rates[i]; i++) |
|
; |
|
rates_size = i; |
|
|
|
/* Copy Data Rates from the Rates recorded in scan response */ |
|
memset(adhoc_join->bss_descriptor.data_rates, 0, |
|
sizeof(adhoc_join->bss_descriptor.data_rates)); |
|
memcpy(adhoc_join->bss_descriptor.data_rates, |
|
bss_desc->supported_rates, rates_size); |
|
|
|
/* Copy the adhoc join rates into Current BSS state structure */ |
|
priv->curr_bss_params.num_of_rates = rates_size; |
|
memcpy(&priv->curr_bss_params.data_rates, bss_desc->supported_rates, |
|
rates_size); |
|
|
|
/* Copy the channel information */ |
|
priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel; |
|
priv->curr_bss_params.band = (u8) bss_desc->bss_band; |
|
|
|
if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled) |
|
tmp_cap |= WLAN_CAPABILITY_PRIVACY; |
|
|
|
if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) { |
|
/* Append a channel TLV */ |
|
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos; |
|
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); |
|
chan_tlv->header.len = |
|
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set)); |
|
|
|
memset(chan_tlv->chan_scan_param, 0x00, |
|
sizeof(struct mwifiex_chan_scan_param_set)); |
|
chan_tlv->chan_scan_param[0].chan_number = |
|
(bss_desc->phy_param_set.ds_param_set.current_chan); |
|
mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_J_CMD: TLV Chan=%d\n", |
|
chan_tlv->chan_scan_param[0].chan_number); |
|
|
|
chan_tlv->chan_scan_param[0].radio_type = |
|
mwifiex_band_to_radio_type((u8) bss_desc->bss_band); |
|
|
|
mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_J_CMD: TLV Band=%d\n", |
|
chan_tlv->chan_scan_param[0].radio_type); |
|
pos += sizeof(chan_tlv->header) + |
|
sizeof(struct mwifiex_chan_scan_param_set); |
|
cmd_append_size += sizeof(chan_tlv->header) + |
|
sizeof(struct mwifiex_chan_scan_param_set); |
|
} |
|
|
|
if (priv->sec_info.wpa_enabled) |
|
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos); |
|
if (rsn_ie_len == -1) |
|
return -1; |
|
cmd_append_size += rsn_ie_len; |
|
|
|
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info)) |
|
cmd_append_size += mwifiex_cmd_append_11n_tlv(priv, |
|
bss_desc, &pos); |
|
|
|
/* Append vendor specific IE TLV */ |
|
cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv, |
|
MWIFIEX_VSIE_MASK_ADHOC, &pos); |
|
|
|
cmd->size = cpu_to_le16 |
|
((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join) |
|
+ S_DS_GEN + cmd_append_size)); |
|
|
|
adhoc_join->bss_descriptor.cap_info_bitmap = cpu_to_le16(tmp_cap); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* This function handles the command response of ad-hoc start and |
|
* ad-hoc join. |
|
* |
|
* The function generates a device-connected event to notify |
|
* the applications, in case of successful ad-hoc start/join, and |
|
* saves the beacon buffer. |
|
*/ |
|
int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv, |
|
struct host_cmd_ds_command *resp) |
|
{ |
|
int ret = 0; |
|
struct mwifiex_adapter *adapter = priv->adapter; |
|
struct host_cmd_ds_802_11_ad_hoc_start_result *start_result = |
|
&resp->params.start_result; |
|
struct host_cmd_ds_802_11_ad_hoc_join_result *join_result = |
|
&resp->params.join_result; |
|
struct mwifiex_bssdescriptor *bss_desc; |
|
u16 cmd = le16_to_cpu(resp->command); |
|
u8 result; |
|
|
|
if (!priv->attempted_bss_desc) { |
|
mwifiex_dbg(priv->adapter, ERROR, |
|
"ADHOC_RESP: failed, association terminated by host\n"); |
|
goto done; |
|
} |
|
|
|
if (cmd == HostCmd_CMD_802_11_AD_HOC_START) |
|
result = start_result->result; |
|
else |
|
result = join_result->result; |
|
|
|
bss_desc = priv->attempted_bss_desc; |
|
|
|
/* Join result code 0 --> SUCCESS */ |
|
if (result) { |
|
mwifiex_dbg(priv->adapter, ERROR, "ADHOC_RESP: failed\n"); |
|
if (priv->media_connected) |
|
mwifiex_reset_connect_state(priv, result, true); |
|
|
|
memset(&priv->curr_bss_params.bss_descriptor, |
|
0x00, sizeof(struct mwifiex_bssdescriptor)); |
|
|
|
ret = -1; |
|
goto done; |
|
} |
|
|
|
/* Send a Media Connected event, according to the Spec */ |
|
priv->media_connected = true; |
|
|
|
if (le16_to_cpu(resp->command) == HostCmd_CMD_802_11_AD_HOC_START) { |
|
mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_S_RESP %s\n", |
|
bss_desc->ssid.ssid); |
|
|
|
/* Update the created network descriptor with the new BSSID */ |
|
memcpy(bss_desc->mac_address, |
|
start_result->bssid, ETH_ALEN); |
|
|
|
priv->adhoc_state = ADHOC_STARTED; |
|
} else { |
|
/* |
|
* Now the join cmd should be successful. |
|
* If BSSID has changed use SSID to compare instead of BSSID |
|
*/ |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: ADHOC_J_RESP %s\n", |
|
bss_desc->ssid.ssid); |
|
|
|
/* |
|
* Make a copy of current BSSID descriptor, only needed for |
|
* join since the current descriptor is already being used |
|
* for adhoc start |
|
*/ |
|
memcpy(&priv->curr_bss_params.bss_descriptor, |
|
bss_desc, sizeof(struct mwifiex_bssdescriptor)); |
|
|
|
priv->adhoc_state = ADHOC_JOINED; |
|
} |
|
|
|
mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_RESP: channel = %d\n", |
|
priv->adhoc_channel); |
|
mwifiex_dbg(priv->adapter, INFO, "info: ADHOC_RESP: BSSID = %pM\n", |
|
priv->curr_bss_params.bss_descriptor.mac_address); |
|
|
|
if (!netif_carrier_ok(priv->netdev)) |
|
netif_carrier_on(priv->netdev); |
|
mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); |
|
|
|
mwifiex_save_curr_bcn(priv); |
|
|
|
done: |
|
/* Need to indicate IOCTL complete */ |
|
if (adapter->curr_cmd->wait_q_enabled) { |
|
if (ret) |
|
adapter->cmd_wait_q.status = -1; |
|
else |
|
adapter->cmd_wait_q.status = 0; |
|
|
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function associates to a specific BSS discovered in a scan. |
|
* |
|
* It clears any past association response stored for application |
|
* retrieval and calls the command preparation routine to send the |
|
* command to firmware. |
|
*/ |
|
int mwifiex_associate(struct mwifiex_private *priv, |
|
struct mwifiex_bssdescriptor *bss_desc) |
|
{ |
|
/* Return error if the adapter is not STA role or table entry |
|
* is not marked as infra. |
|
*/ |
|
if ((GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) || |
|
(bss_desc->bss_mode != NL80211_IFTYPE_STATION)) |
|
return -1; |
|
|
|
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && |
|
!bss_desc->disable_11n && !bss_desc->disable_11ac && |
|
priv->adapter->config_bands & BAND_AAC) |
|
mwifiex_set_11ac_ba_params(priv); |
|
else |
|
mwifiex_set_ba_params(priv); |
|
|
|
/* Clear any past association response stored for application |
|
retrieval */ |
|
priv->assoc_rsp_size = 0; |
|
|
|
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_ASSOCIATE, |
|
HostCmd_ACT_GEN_SET, 0, bss_desc, true); |
|
} |
|
|
|
/* |
|
* This function starts an ad-hoc network. |
|
* |
|
* It calls the command preparation routine to send the command to firmware. |
|
*/ |
|
int |
|
mwifiex_adhoc_start(struct mwifiex_private *priv, |
|
struct cfg80211_ssid *adhoc_ssid) |
|
{ |
|
mwifiex_dbg(priv->adapter, INFO, "info: Adhoc Channel = %d\n", |
|
priv->adhoc_channel); |
|
mwifiex_dbg(priv->adapter, INFO, "info: curr_bss_params.channel = %d\n", |
|
priv->curr_bss_params.bss_descriptor.channel); |
|
mwifiex_dbg(priv->adapter, INFO, "info: curr_bss_params.band = %d\n", |
|
priv->curr_bss_params.band); |
|
|
|
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && |
|
priv->adapter->config_bands & BAND_AAC) |
|
mwifiex_set_11ac_ba_params(priv); |
|
else |
|
mwifiex_set_ba_params(priv); |
|
|
|
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_START, |
|
HostCmd_ACT_GEN_SET, 0, adhoc_ssid, true); |
|
} |
|
|
|
/* |
|
* This function joins an ad-hoc network found in a previous scan. |
|
* |
|
* It calls the command preparation routine to send the command to firmware, |
|
* if already not connected to the requested SSID. |
|
*/ |
|
int mwifiex_adhoc_join(struct mwifiex_private *priv, |
|
struct mwifiex_bssdescriptor *bss_desc) |
|
{ |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: adhoc join: curr_bss ssid =%s\n", |
|
priv->curr_bss_params.bss_descriptor.ssid.ssid); |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: adhoc join: curr_bss ssid_len =%u\n", |
|
priv->curr_bss_params.bss_descriptor.ssid.ssid_len); |
|
mwifiex_dbg(priv->adapter, INFO, "info: adhoc join: ssid =%s\n", |
|
bss_desc->ssid.ssid); |
|
mwifiex_dbg(priv->adapter, INFO, "info: adhoc join: ssid_len =%u\n", |
|
bss_desc->ssid.ssid_len); |
|
|
|
/* Check if the requested SSID is already joined */ |
|
if (priv->curr_bss_params.bss_descriptor.ssid.ssid_len && |
|
!mwifiex_ssid_cmp(&bss_desc->ssid, |
|
&priv->curr_bss_params.bss_descriptor.ssid) && |
|
(priv->curr_bss_params.bss_descriptor.bss_mode == |
|
NL80211_IFTYPE_ADHOC)) { |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: ADHOC_J_CMD: new ad-hoc SSID\t" |
|
"is the same as current; not attempting to re-join\n"); |
|
return -1; |
|
} |
|
|
|
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && |
|
!bss_desc->disable_11n && !bss_desc->disable_11ac && |
|
priv->adapter->config_bands & BAND_AAC) |
|
mwifiex_set_11ac_ba_params(priv); |
|
else |
|
mwifiex_set_ba_params(priv); |
|
|
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: curr_bss_params.channel = %d\n", |
|
priv->curr_bss_params.bss_descriptor.channel); |
|
mwifiex_dbg(priv->adapter, INFO, |
|
"info: curr_bss_params.band = %c\n", |
|
priv->curr_bss_params.band); |
|
|
|
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_JOIN, |
|
HostCmd_ACT_GEN_SET, 0, bss_desc, true); |
|
} |
|
|
|
/* |
|
* This function deauthenticates/disconnects from infra network by sending |
|
* deauthentication request. |
|
*/ |
|
static int mwifiex_deauthenticate_infra(struct mwifiex_private *priv, u8 *mac) |
|
{ |
|
u8 mac_address[ETH_ALEN]; |
|
int ret; |
|
|
|
if (!mac || is_zero_ether_addr(mac)) |
|
memcpy(mac_address, |
|
priv->curr_bss_params.bss_descriptor.mac_address, |
|
ETH_ALEN); |
|
else |
|
memcpy(mac_address, mac, ETH_ALEN); |
|
|
|
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_DEAUTHENTICATE, |
|
HostCmd_ACT_GEN_SET, 0, mac_address, true); |
|
|
|
return ret; |
|
} |
|
|
|
/* |
|
* This function deauthenticates/disconnects from a BSS. |
|
* |
|
* In case of infra made, it sends deauthentication request, and |
|
* in case of ad-hoc mode, a stop network request is sent to the firmware. |
|
* In AP mode, a command to stop bss is sent to firmware. |
|
*/ |
|
int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac) |
|
{ |
|
int ret = 0; |
|
|
|
if (!priv->media_connected) |
|
return 0; |
|
|
|
switch (priv->bss_mode) { |
|
case NL80211_IFTYPE_STATION: |
|
case NL80211_IFTYPE_P2P_CLIENT: |
|
ret = mwifiex_deauthenticate_infra(priv, mac); |
|
if (ret) |
|
cfg80211_disconnected(priv->netdev, 0, NULL, 0, |
|
true, GFP_KERNEL); |
|
break; |
|
case NL80211_IFTYPE_ADHOC: |
|
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_AD_HOC_STOP, |
|
HostCmd_ACT_GEN_SET, 0, NULL, true); |
|
case NL80211_IFTYPE_AP: |
|
return mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, |
|
HostCmd_ACT_GEN_SET, 0, NULL, true); |
|
default: |
|
break; |
|
} |
|
|
|
return ret; |
|
} |
|
|
|
/* This function deauthenticates/disconnects from all BSS. */ |
|
void mwifiex_deauthenticate_all(struct mwifiex_adapter *adapter) |
|
{ |
|
struct mwifiex_private *priv; |
|
int i; |
|
|
|
for (i = 0; i < adapter->priv_num; i++) { |
|
priv = adapter->priv[i]; |
|
if (priv) |
|
mwifiex_deauthenticate(priv, NULL); |
|
} |
|
} |
|
EXPORT_SYMBOL_GPL(mwifiex_deauthenticate_all); |
|
|
|
/* |
|
* This function converts band to radio type used in channel TLV. |
|
*/ |
|
u8 |
|
mwifiex_band_to_radio_type(u8 band) |
|
{ |
|
switch (band) { |
|
case BAND_A: |
|
case BAND_AN: |
|
case BAND_A | BAND_AN: |
|
case BAND_A | BAND_AN | BAND_AAC: |
|
return HostCmd_SCAN_RADIO_TYPE_A; |
|
case BAND_B: |
|
case BAND_G: |
|
case BAND_B | BAND_G: |
|
default: |
|
return HostCmd_SCAN_RADIO_TYPE_BG; |
|
} |
|
}
|
|
|